[Bug 2062501] Re: Dhcpcd prioritizes (unconnnected) LAN adapter over WLAN, causing a 5 min boot delay

[Albert Weichselbraun]

** Attachment added: "initramfs.debug"
   https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/2062501/+attachment/5768166/+files/initramfs.debug

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Title:
  Dhcpcd prioritizes (unconnnected) LAN adapter over WLAN, causing a 5
  min boot delay

Status in initramfs-tools package in Ubuntu:
  New

Bug description:
  After upgrading to Ubuntu 24.04, dhcpcd spends over five minutes trying to obtain a DHCP lease for an unconnected LAN adapter during startup.
  Only after this process times out, the boot process resumes.

  Consequently, startup works flawlessly, if the laptop is connected to
  the LAN, but takes five additional minutes, if that's not the case.

  Please find below the console output (obtained by pressing "ESC"
  during bootup)

  Setting ip link enp0s... up
  Setting ip link enx0... up
  dhcpcd-10.0.6 starting
  dev: loaded udev
  no interfaces have a carrier
  exiting due to oneshot
  Sleeping 30 seconds before retrying getting a DHCP lease
  dhcpcd-10.0.6 starting
  dev: loaded udev
  no interfaces have a carrier
  exiting due to oneshot
  Sleeping 60 seconds before retrying getting a DHCP lease
  ...
  dhcpcd-10.0.6 starting
  dev: loaded udev
  no interfaces have a carrier
  exiting due to oneshot
  Sleeping 120 seconds before retrying getting a DHCP lease

  
  After multiples tries to obtain a DHCP lease (which take approximately five minutes) the standard boot process resumes.

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: initramfs-tools 0.142ubuntu25
  ProcVersionSignature: Ubuntu 6.8.0-22.22-generic 6.8.1
  Uname: Linux 6.8.0-22-generic x86_64
  ApportVersion: 2.28.1-0ubuntu1
  Architecture: amd64
  CasperMD5CheckMismatches: ./preseed/ubuntu.seed ./pool/restricted/n/nvidia-graphics-drivers-535/nvidia-firmware-535-535.113.01_535.113.01-0ubuntu3_amd64.deb ./pool/restricted/n/nvidia-graphics-drivers-535/xserver-xorg-video-nvidia-535_535.113.01-0ubuntu3_amd64.deb ./pool/restricted/n/nvidia-graphics-drivers-535/nvidia-compute-utils-535_535.113.01-0ubuntu3_amd64.deb ./pool/restricted/n/nvidia-graphics-drivers-535/nvidia-kernel-source-535_535.113.01-0ubuntu3_amd64.deb ./pool/restricted/n/nvidia-graphics-drivers-535/nvidia-driver-535_535.113.01-0ubuntu3_amd64.deb ./pool/restricted/n/nvidia-graphics-drivers-535/nvidia-utils-535_535.113.01-0ubuntu3_amd64.deb ./pool/restricted/n/nvidia-graphics-drivers-535/nvidia-kernel-common-535_535.113.01-0ubuntu3_amd64.deb ./pool/restricted/n/nvidia-graphics-drivers-535/libnvidia-gl-535_535.113.01-0ubuntu3_i386.deb
  CasperMD5CheckResult: fail
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Apr 19 07:40:31 2024
  InstallationDate: Installed on 2023-12-03 (138 days ago)
  InstallationMedia: Ubuntu Legacy 23.10 "Mantic Minotaur" - Release amd64 (20231010)
  PackageArchitecture: all
  SourcePackage: initramfs-tools
  UpgradeStatus: Upgraded to noble on 2024-04-18 (1 days ago)

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